JavaScript实现前端旋转魔方相册：3D变换与事件处理详解

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>旋转魔方相册</title>
    <style>
        *{
            margin: 0;
            padding: 0;
        }
        body{
            background-color: rgba(0, 0, 0, 0.8);
        }
        /* 魔方样式设置部分 */
        .square{
            width: 200px;
            height: 200px;
            margin: 200px auto;
            margin-bottom: 100px;
        }
        ul{
            position: relative;
            transform-style: preserve-3d;
            transition: all .7s cubic-bezier(0.175, 0.885, 0.32, 1.275);
            width: 100%;
            height: 100%;
        }
        li{
            /* display: inline-block; */
            position: absolute;
            top: 0;
            left: 0;
            list-style: none;
            width: 100%;
            height: 100%;
            border: 1px solid pink;
        }
        img{
            width: 200px;
            height: 200px;
        }
        /* 初始位置 */
        /* ul{
            transform: translateZ(-100px) rotateX(-15deg) rotateY(15deg);
        } */
        /* 折叠图片，构成魔方 */
        ul li:nth-child(1) {
            transform: translateZ(100px);
        }
        ul li:nth-child(2) {
            transform: rotateY(180deg)  translateZ(100px);
        }
        ul li:nth-child(3) {
            transform: rotateY(90deg) translateZ(100px);
        }
        ul li:nth-child(4) {
            transform: rotateY(-90deg) translateZ(100px);
        }
        ul li:nth-child(5) {
            transform: rotateX(90deg) translateZ(100px);
        }
        ul li:nth-child(6) {
            transform: rotateX(-90deg) translateZ(100px);
        }
        
        /* 下方是点击目录 */
        .img_1{
            background-image: url(2.jpeg);
        }
        .img_2{
            background-image: url(1.jpeg);
        }
        .img_3{
            background-image: url(3.jpeg);
        }
        .img_4{
            background-image: url(4.jpeg);
        }
        .img_5{
            background-image: url(5.jpeg);
        }
        .img_6{
            background-image: url(6.jpeg);
        }
        span{
            display: inline-block;
            width: 50px;
            height: 25px;
            background-size: contain;
            border: 1px solid white;
        }
        .toc{
            width: 350px;
            margin: 0 auto;
        }
        /* 辅助JS块样式设置 */
        .square .img_1 {
            transform: translateZ(-100px);
        }
        .square .img_2 {
            transform: translateZ(-100px) rotateX(-180deg) ;
        }
        .square .img_3 {
            transform: translateZ(-100px) rotateY(-90deg) ;
        }
        .square .img_4 {
            transform: translateZ(-100px) rotateY(90deg) ;
        }
        .square .img_5 {
            transform: translateZ(-100px) rotateX(-90deg) ;
        }
        .square .img_6 {
            transform: translateZ(-100px) rotateX(90deg) ;
        }
    </style>
</head>
<body>
    <!-- 魔方 -->
    <div class="square">
        <ul class="s-img">
            <li><img src="2.jpeg"></li>
            <li><img src="1.jpeg"></li>
            <li><img src="3.jpeg"></li>
            <li><img src="4.jpeg"></li>
            <li><img src="5.jpeg"></li>
            <li><img src="6.jpeg"></li>
        </ul>
    </div>
    <!-- 手动点击旋转 -->
    <div class="toc">
        <span class="img_1"></span>
        <span class="img_2"></span>
        <span class="img_3"></span>
        <span class="img_4"></span>
        <span class="img_5"></span>
        <span class="img_6"></span>
    </div>
    <!-- JS -->
    <script src="cube.js">
    </script>
</body>
</html>

window.onload = function(){
    //toc目录设置
    var toc_img = document.querySelector('.toc');
    var square = document.querySelector('ul');
    var p_img = square.classList;
    var img_button = toc_img.querySelectorAll('span');
    var flage = '';
    img_button[0].onclick = function(e) {
        flage = img_button[0].className;
        square.setAttribute('class', flage);
    }
    img_button[1].onclick = function(e) {
        flage = img_button[1].className;
        square.setAttribute('class', flage);
    }
    img_button[2].onclick = function(e) {
        flage = img_button[2].className;
        square.setAttribute('class', flage);
    }
    img_button[3].onclick = function(e) {
        flage = img_button[3].className;
        square.setAttribute('class', flage);
    }
    img_button[4].onclick = function(e) {
        flage = img_button[4].className;
        square.setAttribute('class', flage);
    }
    img_button[5].onclick = function(e) {
        flage = img_button[5].className;
        square.setAttribute('class',flage);
    }
}